WASHINGTON -- The popular anti-wrinkle drug Botox and a competitor have been linked to dangerous botulism symptoms in some users, cases so bad that a few children given the drugs for muscle spasms have died, the government warned Friday.
Friday's warning came two weeks after the consumer advocacy group Public Citizen petitioned the FDA to strengthen warnings to users of Botox and Myobloc - citing 180 reports of U.S. patients suffering fluid in the lungs, difficulty swallowing or pneumonia, including 16 deaths.
Nor is it the first warning. The drugs' labels do warn about the potential for botulinum toxin to spread beyond the injection site and occasionally kill, but the warnings link that side effect to patients with certain neuromuscular diseases, such as myasthenia gravis. More here.